[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [qemu-s390x] [RFC 00/15] s390: vfio-ccw dasd ipl support
From: |
Cornelia Huck |
Subject: |
Re: [qemu-s390x] [RFC 00/15] s390: vfio-ccw dasd ipl support |
Date: |
Wed, 22 Aug 2018 09:46:08 +0200 |
On Tue, 21 Aug 2018 15:31:55 -0400
"Jason J. Herne" <address@hidden> wrote:
> On 08/15/2018 07:48 AM, Cornelia Huck wrote:
> > On Thu, 5 Jul 2018 13:25:28 -0400
> > "Jason J. Herne" <address@hidden> wrote:
> >
> >> This is to support booting from vfio-ccw dasd devices. We basically
> >> implement
> >> the real hardware ipl procedure. This allows for booting Linux guests on
> >> vfio-ccw devices.
> >>
> >> vfio-ccw's channel program prefetch algorithm complicates ipl because most
> >> ipl
> >> channel programs dynamically modify themselves. Details on the ipl process
> >> and
> >> how we worked around this issue can be found in
> >> docs/devel/s390-dasd-ipl.txt.
> >
> > Cleaning up my mail backlog... I think there were some comments; will
> > there be a new version forthcoming?
> >
>
> Yes there will. We're hitting a hang now and not sure if it is a device,
> configuration or coding problem. Once I get that cleared up I'll be back
> for round #2.
>
Great, thanks for the info!